122440341231 has 96 divisors (see below), whose sum is σ = 208118356992. Its totient is φ = 71367816960.

The previous prime is 122440341227. The next prime is 122440341241. The reversal of 122440341231 is 132143044221.

122440341231 is a `hidden beast` number, since 1 + 2 + 24 + 403 + 4 + 1 + 231 = 666.

It is not a de Polignac number, because 122440341231 - 2² = 122440341227 is a prime.

It is a super-2 number, since 2×122440341231² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 122440341195 and 122440341204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122440341241) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7475491 + ... + 7491851.

It is an arithmetic number, because the mean of its divisors is an integer number (2167899552).

Almost surely, 2^122440341231 is an apocalyptic number.

122440341231 is a deficient number, since it is larger than the sum of its proper divisors (85678015761).

122440341231 is a wasteful number, since it uses less digits than its factorization.

122440341231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16515 (or 16503 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 122440341231 its reverse (132143044221), we get a palindrome (254583385452).

The spelling of 122440341231 in words is "one hundred twenty-two billion, four hundred forty million, three hundred forty-one thousand, two hundred thirty-one".